Toledo



Patented N0v. 25, 1919.

Lmmm;

2 SHEETS-SHEET 1;

P. F. GREULOCH.

CONCRETE WALL MOLD AFPLICATIOY FiL-TD JUNE 16, I9i9.

Patented Nov. 25,1919.

2 SHEETS-SHEET 2.

[ ang-f the arms 31,- the bars 33 being also provided with'spaced perforations 3at'identical with those in the 'ba-rs 19, pins 35 passed through the upper ends of the arms 31 and the perjforations 34 permitting adjustment along the connecting bars 33. This arrangement by reason of the connecting bars being v pivoted to'the rocker arms causes the plates 29 and 30 to move to the position a, a,

in dottedlin'es,' Fig. 3, When the handles are operated. From the foregoing theoperation of the device for building a double hollow wall will be understood, For

. building a single Wall ithout air space,

. tion of solid Wall the supporting rods are i and for building partitions, the air space box is dispensed with and to support the plates 29 and 30 there are provided spaced slots 36. extending into the -l0We1 edges adapted to receive light iron or steel rods uponwhich the plates 29 and 30 rest, the rods" extending beyond both faces of the solid Wall and supporting the outer Wall plates in the same manner that'the U-shaped tie rods hereinbefore mentioned supported the'air space box.. After completing a secwithdrawn, and the wall. having been struck off to a level, they are again placed on the level top of the section just completed in" readiness to again receive the mold to complete the Wall to any desired height.

Having described my invention,,what I claim and desire to secure by Letters Patent, 1SI

In a concrete Wall mold, the combination With a hollow Wall having transverse tie rods, an air space box having side faces provided with slots to receive the tie rods,

terior faces ofsaid air space box, castings supported upon the top of the air space box and maintained in alined' position'by the PHILIP F. eREULoo'H. I

and hav ng a top provided with a longitudinal rib, links connecting. the opposite in- 

